31817727

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 51554880

約数和(自身を除く): 19737153

約数列:

[1, 3, 9, 17, 29, 51, 71, 87, 101, 153, 213, 261, 303, 493, 639, 909, 1207, 1479, 1717, 2059, 2929, 3621, 4437, 5151, 6177, 7171, 8787, 10863, 15453, 18531, 21513, 26361, 35003, 49793, 64539, 105009, 121907, 149379, 207959, 315027, 365721, 448137, 623877, 1097163, 1871631, 3535303, 10605909, 31817727]

約数ペア:

[(1, 31817727), (3, 10605909), (9, 3535303), (17, 1871631), (29, 1097163), (51, 623877), (71, 448137), (87, 365721), (101, 315027), (153, 207959), (213, 149379), (261, 121907), (303, 105009), (493, 64539), (639, 49793), (909, 35003), (1207, 26361), (1479, 21513), (1717, 18531), (2059, 15453), (2929, 10863), (3621, 8787), (4437, 7171), (5151, 6177)]